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2026-04-02 - 08:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Apr 02, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
190982124115,6sleep10-21swapper/119:05:551
192922114102,7sleep30-21swapper/319:08:263
191762112103,6sleep20-21swapper/219:06:562
19241211099,7sleep00-21swapper/019:07:460
240422590,0sleep00-21swapper/022:00:170
283562560,0sleep30-21swapper/321:35:183
145262560,0sleep30-21swapper/322:20:203
255652540,0sleep10-21swapper/100:25:161
153852520,0sleep20-21swapper/223:50:172
1959099328,3cyclictest0-21swapper/221:45:112
1959099291,27cyclictest0-21swapper/220:04:432
1959099291,27cyclictest0-21swapper/219:13:332
1959099291,27cyclictest0-21swapper/200:13:162
1959099290,27cyclictest0-21swapper/220:15:112
1959099282,8cyclictest2858-21/usr/sbin/munin23:40:102
19590992818,9cyclictest749-21snmpd23:00:222
1959099281,26cyclictest0-21swapper/223:27:082
1959099281,26cyclictest0-21swapper/220:41:172
1959099280,27cyclictest0-21swapper/220:37:282
1959099271,25cyclictest0-21swapper/200:28:532
1959099270,26cyclictest0-21swapper/222:25:482
1959099270,26cyclictest0-21swapper/222:05:332
1959099270,26cyclictest0-21swapper/221:53:082
1959099270,26cyclictest0-21swapper/220:29:112
1959099270,26cyclictest0-21swapper/219:19:392
1959099270,26cyclictest0-21swapper/200:36:182
1958599270,26cyclictest0-21swapper/122:55:101
1958199270,3cyclictest0-21swapper/020:29:430
1958199270,26cyclictest0-21swapper/023:19:220
1958199270,26cyclictest0-21swapper/019:52:480
1958199270,21cyclictest0-21swapper/021:37:240
19590992623,3cyclictest0-21swapper/223:56:342
1959099261,24cyclictest0-21swapper/222:18:332
1959099261,16cyclictest0-21swapper/220:20:162
1959099260,2cyclictest0-21swapper/221:33:172
1959099260,25cyclictest0-21swapper/222:03:082
1959099260,25cyclictest0-21swapper/220:05:062
1959099260,25cyclictest0-21swapper/219:45:542
1959099260,1cyclictest0-21swapper/221:37:472
1958599260,25cyclictest0-21swapper/123:43:321
1958599260,25cyclictest0-21swapper/123:28:051
1958199260,25cyclictest0-21swapper/023:50:080
1958199260,21cyclictest0-21swapper/021:56:160
1958199260,21cyclictest0-21swapper/020:22:430
19590992523,2cyclictest0-21swapper/222:53:062
19590992516,8cyclictest749-21snmpd23:13:462
1959099250,3cyclictest0-21swapper/223:37:172
1959099250,24cyclictest0-21swapper/222:46:042
1959099250,24cyclictest0-21swapper/222:13:172
1958599250,24cyclictest0-21swapper/120:44:011
1958199250,3cyclictest0-21swapper/023:37:200
1958199250,24cyclictest0-21swapper/023:27:410
1958199250,24cyclictest0-21swapper/023:21:260
1958199250,24cyclictest0-21swapper/023:07:100
1958199250,24cyclictest0-21swapper/022:08:270
1959099247,2cyclictest0-21swapper/221:15:142
19590992420,3cyclictest0-21swapper/222:55:242
1959099241,22cyclictest0-21swapper/221:04:012
1959099241,22cyclictest0-21swapper/220:33:282
1959099241,22cyclictest0-21swapper/219:20:482
1959099240,23cyclictest0-21swapper/219:29:542
19581992416,7cyclictest749-21snmpd20:47:580
19581992415,6cyclictest752-21lldpd22:36:160
1958199240,23cyclictest0-21swapper/022:53:120
19590992321,2cyclictest0-21swapper/222:36:012
19590992321,2cyclictest0-21swapper/220:45:372
19590992317,5cyclictest0-21swapper/221:55:212
1959099231,3cyclictest0-21swapper/223:34:162
1959099231,3cyclictest0-21swapper/219:43:092
1959099231,21cyclictest0-21swapper/222:40:272
1959099231,21cyclictest0-21swapper/220:59:402
1959099231,21cyclictest0-21swapper/219:37:512
1959099231,20cyclictest0-21swapper/200:30:202
1959099230,22cyclictest0-21swapper/200:18:592
1958199232,15cyclictest0-21swapper/020:50:110
19581992318,4cyclictest24953-21cat23:30:170
19581992316,6cyclictest749-21snmpd23:41:250
19581992315,7cyclictest749-21snmpd23:11:460
1958199230,2cyclictest0-21swapper/021:44:080
1958199230,22cyclictest0-21swapper/022:10:470
19590992216,5cyclictest749-21snmpd19:56:182
19590992215,6cyclictest749-21snmpd00:06:532
1959099221,15cyclictest0-21swapper/222:31:582
1959099220,3cyclictest0-21swapper/219:34:332
1959099220,21cyclictest0-21swapper/221:42:242
1959099220,21cyclictest0-21swapper/221:26:362
1959099220,21cyclictest0-21swapper/200:21:022
1959099220,15cyclictest0-21swapper/223:22:182
1959099220,13cyclictest280-21systemd-journal00:01:122
19585992217,4cyclictest0-21swapper/119:58:001
1958599221,3cyclictest0-21swapper/120:27:021
1958599220,21cyclictest0-21swapper/122:50:181
1958599220,21cyclictest0-21swapper/119:44:061
1958199222,14cyclictest0-21swapper/021:05:180
1958199222,14cyclictest0-21swapper/021:05:180
19581992218,3cyclictest0-21swapper/019:47:330
1958199220,21cyclictest0-21swapper/023:48:110
1958199220,21cyclictest0-21swapper/023:00:150
1958199220,21cyclictest0-21swapper/021:52:480
1958199220,21cyclictest0-21swapper/020:01:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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